The Siemens Sinamics S120 CU320-2 multi-axis drive control unit includes an Ethernet port and controller-to-controller communication. The unit manages up to 6 high-performance servo or vector axes, and provides a higher I/O count, with up to 12 binary inputs. For standard applications, up to 12 V/Hz axes can be operated from one unit. 

Siemens Industry, Inc.;